@misc{indiciaed6a577d7980e,
  title = {[ Ulcerative colitis and pregnancy].},
  author = {U Flechsig and P Richter and H Seidel},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2573223/},
  note = {Source identifier: 2573223}
}